# Problem solving activities

## Nine tiles

- Problem solving activities
- Number and Algebra
- Level Six

Guess and check the solution to a number problem;

Explain the effect of "carry-overs" in addition problems.

## How many numbers?

- Problem solving activities
- Number and Algebra
- Level Six

Devise and use problem solving strategies to explore situations mathematically (be systematic, make a list).

## All the ones

- Problem solving activities
- Number and Algebra
- Level Six

Use a calculator efficiently

Devise a strategy to solve a number problem involving remainders.

Devise and use problem solving strategies to explore situations mathematically (be systematic)

## Adding ten tiles II

- Problem solving activities
- Number and Algebra
- Level Six

## Working backwards

- Problem solving activities
- Number and Algebra
- Level Five

## My son is naughty

- Problem solving activities
- Number and Algebra
- Level Five

## The magic squares

- Problem solving activities
- Number and Algebra
- Level Five

## Doubling up

- Problem solving activities
- Number and Algebra
- Level Five

## Spheres

- Problem solving activities
- Number and Algebra
- Level Five

## Time problems

- Problem solving activities
- Number and Algebra
- Level Five